FUGuardEncoding.hh

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file FUGuardEncoding.hh
 *
 * Declaration of FUGuardEncoding class.
 *
 * @author Lasse Laasonen 2005 (lasse.laasonen-no.spam-tut.fi)
 * @note rating: red
 */
 
#ifndef TTA_FU_GUARD_ENCODING_HH
#define TTA_FU_GUARD_ENCODING_HH
 
#include <string>
 
#include "GuardEncoding.hh"
#include "Exception.hh"
 
/**
 * The FUGuardEncoding class maps a guard expression with FU output port term
 * to a control code.
 *
 * Instances of this class are always registered to a guard field.
 */
class FUGuardEncoding : public GuardEncoding {
public:
    FUGuardEncoding(
        const std::string& fu, const std::string& port, bool inverted,
        unsigned int encoding, GuardField& parent);
    FUGuardEncoding(const ObjectState* state, GuardField& parent);
    virtual ~FUGuardEncoding();
 
    std::string functionUnit() const;
    std::string port() const;
 
    virtual ObjectState* saveState() const;
 
    /// ObjectState name for FU guard encoding.
    static const std::string OSNAME_FU_GUARD_ENCODING;
    /// ObjectState attribute key for the name of the function unit.
    static const std::string OSKEY_FU_NAME;
    /// ObjectState attribute key for the name of the port.
    static const std::string OSKEY_PORT_NAME;
 
private:
    /// Name of the function unit.
    std::string functionUnit_;
    /// Name of the port.
    std::string port_;
};
 
#endif